| Grand Prairie to Nuth | 5,009.25 mi (8,061.61 km) |
| Grand Prairie to Oegstgeest | 4,912.79 mi (7,906.37 km) |
| Grand Prairie to Oirschot | 4,967.09 mi (7,993.75 km) |
| Grand Prairie to Oisterwijk | 4,960.48 mi (7,983.13 km) |
| Grand Prairie to Oldebroek | 4,956.17 mi (7,976.18 km) |
| Grand Prairie to Oldenzaal | 4,998.36 mi (8,044.08 km) |
| Grand Prairie to Ommen | 4,972.59 mi (8,002.60 km) |
| Grand Prairie to Oosterend | 4,942.93 mi (7,954.88 km) |
| Grand Prairie to Oosterhout | 4,945.66 mi (7,959.28 km) |
| Grand Prairie to Oosterwolde | 4,951.47 mi (7,968.63 km) |
| Grand Prairie to Oostzaan | 4,919.62 mi (7,917.37 km) |
| Grand Prairie to Opmeer | 4,912.98 mi (7,906.67 km) |
| Grand Prairie to Oss | 4,965.87 mi (7,991.80 km) |
| Grand Prairie to Oud-Beijerland | 4,922.74 mi (7,922.38 km) |
| Grand Prairie to Oudenbosch | 4,935.09 mi (7,942.26 km) |
