| Madison Heights to Nuth | 3,994.39 mi (6,428.35 km) |
| Madison Heights to Oegstgeest | 3,899.02 mi (6,274.86 km) |
| Madison Heights to Oirschot | 3,952.73 mi (6,361.30 km) |
| Madison Heights to Oisterwijk | 3,946.20 mi (6,350.79 km) |
| Madison Heights to Oldebroek | 3,943.64 mi (6,346.67 km) |
| Madison Heights to Oldenzaal | 3,986.23 mi (6,415.22 km) |
| Madison Heights to Ommen | 3,960.49 mi (6,373.79 km) |
| Madison Heights to Oosterend | 3,931.52 mi (6,327.17 km) |
| Madison Heights to Oosterhout | 3,931.29 mi (6,326.80 km) |
| Madison Heights to Oosterwolde | 3,940.18 mi (6,341.11 km) |
| Madison Heights to Oostzaan | 3,906.48 mi (6,286.87 km) |
| Madison Heights to Opmeer | 3,900.32 mi (6,276.96 km) |
| Madison Heights to Oss | 3,952.01 mi (6,360.15 km) |
| Madison Heights to Oud-Beijerland | 3,908.39 mi (6,289.95 km) |
| Madison Heights to Oudenbosch | 3,920.48 mi (6,309.41 km) |
