| Gretz-Armainvilliers to Red Bank (New Jersey) | 3,663.74 mi (5,896.23 km) |
| Gretz-Armainvilliers to Red Bank (Tennessee) | 4,366.51 mi (7,027.22 km) |
| Gretz-Armainvilliers to Red Bluff (California) | 5,437.00 mi (8,750.01 km) |
| Gretz-Armainvilliers to Red Hill (South Carolina) | 4,160.92 mi (6,696.35 km) |
| Gretz-Armainvilliers to Red Oak (Texas) | 4,961.59 mi (7,984.91 km) |
| Gretz-Armainvilliers to Red Wing (Minnesota) | 4,218.50 mi (6,789.02 km) |
| Gretz-Armainvilliers to Redan (Georgia) | 4,383.00 mi (7,053.76 km) |
| Gretz-Armainvilliers to Redding (California) | 5,417.74 mi (8,719.00 km) |
| Gretz-Armainvilliers to Redland (Maryland) | 3,844.68 mi (6,187.41 km) |
| Gretz-Armainvilliers to Redlands (California) | 5,628.30 mi (9,057.87 km) |
| Gretz-Armainvilliers to Redmond (Oregon) | 5,172.47 mi (8,324.29 km) |
| Gretz-Armainvilliers to Redmond (Washington) | 5,003.64 mi (8,052.58 km) |
| Gretz-Armainvilliers to Redondo Beach (California) | 5,678.90 mi (9,139.30 km) |
| Gretz-Armainvilliers to Redwood City (California) | 5,590.76 mi (8,997.46 km) |
| Gretz-Armainvilliers to Reedley (California) | 5,557.33 mi (8,943.66 km) |
