| Seymour to Reading (Pennsylvania) | 538.49 mi (866.62 km) |
| Seymour to Red Bank (New Jersey) | 635.94 mi (1,023.44 km) |
| Seymour to Red Bank (Tennessee) | 267.06 mi (429.79 km) |
| Seymour to Red Bluff (California) | 1,924.58 mi (3,097.30 km) |
| Seymour to Red Hill (South Carolina) | 523.27 mi (842.12 km) |
| Seymour to Red Oak (Texas) | 754.44 mi (1,214.16 km) |
| Seymour to Red Wing (Minnesota) | 520.40 mi (837.51 km) |
| Seymour to Redan (Georgia) | 372.44 mi (599.38 km) |
| Seymour to Redding (California) | 1,926.70 mi (3,100.72 km) |
| Seymour to Redland (Maryland) | 469.28 mi (755.23 km) |
| Seymour to Redlands (California) | 1,760.97 mi (2,834.00 km) |
| Seymour to Redmond (Oregon) | 1,844.96 mi (2,969.17 km) |
| Seymour to Redmond (Washington) | 1,898.51 mi (3,055.35 km) |
| Seymour to Redondo Beach (California) | 1,830.38 mi (2,945.71 km) |
| Seymour to Redwood City (California) | 1,961.62 mi (3,156.92 km) |
