| Weslaco to Nuth | 5,394.74 mi (8,681.99 km) |
| Weslaco to Oegstgeest | 5,301.30 mi (8,531.61 km) |
| Weslaco to Oirschot | 5,354.03 mi (8,616.49 km) |
| Weslaco to Oisterwijk | 5,347.62 mi (8,606.17 km) |
| Weslaco to Oldebroek | 5,347.43 mi (8,605.85 km) |
| Weslaco to Oldenzaal | 5,390.40 mi (8,675.02 km) |
| Weslaco to Ommen | 5,364.72 mi (8,633.68 km) |
| Weslaco to Oosterend | 5,336.41 mi (8,588.13 km) |
| Weslaco to Oosterhout | 5,332.59 mi (8,581.98 km) |
| Weslaco to Oosterwolde | 5,345.18 mi (8,602.23 km) |
| Weslaco to Oostzaan | 5,309.58 mi (8,544.95 km) |
| Weslaco to Opmeer | 5,304.02 mi (8,535.99 km) |
| Weslaco to Oss | 5,354.10 mi (8,616.60 km) |
| Weslaco to Oud-Beijerland | 5,309.76 mi (8,545.24 km) |
| Weslaco to Oudenbosch | 5,321.40 mi (8,563.96 km) |
