| Boadilla del Monte to Red Bank (New Jersey) | 3,589.52 mi (5,776.78 km) |
| Boadilla del Monte to Red Bank (Tennessee) | 4,300.45 mi (6,920.90 km) |
| Boadilla del Monte to Red Bluff (California) | 5,655.41 mi (9,101.51 km) |
| Boadilla del Monte to Red Hill (South Carolina) | 4,040.80 mi (6,503.04 km) |
| Boadilla del Monte to Red Oak (Texas) | 4,946.15 mi (7,960.05 km) |
| Boadilla del Monte to Red Wing (Minnesota) | 4,294.72 mi (6,911.69 km) |
| Boadilla del Monte to Redan (Georgia) | 4,295.61 mi (6,913.12 km) |
| Boadilla del Monte to Redding (California) | 5,639.66 mi (9,076.15 km) |
| Boadilla del Monte to Redland (Maryland) | 3,773.28 mi (6,072.51 km) |
| Boadilla del Monte to Redlands (California) | 5,768.33 mi (9,283.23 km) |
| Boadilla del Monte to Redmond (Oregon) | 5,412.22 mi (8,710.12 km) |
| Boadilla del Monte to Redmond (Washington) | 5,272.60 mi (8,485.42 km) |
| Boadilla del Monte to Redondo Beach (California) | 5,826.24 mi (9,376.42 km) |
| Boadilla del Monte to Redwood City (California) | 5,790.93 mi (9,319.60 km) |
| Boadilla del Monte to Reedley (California) | 5,731.86 mi (9,224.53 km) |
