| Euless to Nuth | 5,002.82 mi (8,051.26 km) |
| Euless to Oegstgeest | 4,906.24 mi (7,895.83 km) |
| Euless to Oirschot | 4,960.60 mi (7,983.31 km) |
| Euless to Oisterwijk | 4,953.99 mi (7,972.67 km) |
| Euless to Oldebroek | 4,949.50 mi (7,965.45 km) |
| Euless to Oldenzaal | 4,991.65 mi (8,033.29 km) |
| Euless to Ommen | 4,965.88 mi (7,991.80 km) |
| Euless to Oosterend | 4,936.16 mi (7,943.99 km) |
| Euless to Oosterhout | 4,939.18 mi (7,948.84 km) |
| Euless to Oosterwolde | 4,944.70 mi (7,957.72 km) |
| Euless to Oostzaan | 4,913.01 mi (7,906.73 km) |
| Euless to Opmeer | 4,906.32 mi (7,895.96 km) |
| Euless to Oss | 4,959.33 mi (7,981.27 km) |
| Euless to Oud-Beijerland | 4,916.25 mi (7,911.94 km) |
| Euless to Oudenbosch | 4,928.63 mi (7,931.86 km) |
