| Rio Grande City to Orthez | 5,361.51 mi (8,628.52 km) |
| Rio Grande City to Orvault | 5,217.18 mi (8,396.24 km) |
| Rio Grande City to Osny | 5,320.80 mi (8,563.00 km) |
| Rio Grande City to Ostwald | 5,565.11 mi (8,956.18 km) |
| Rio Grande City to Ouistreham | 5,219.17 mi (8,399.44 km) |
| Rio Grande City to Oullins | 5,539.36 mi (8,914.74 km) |
| Rio Grande City to Outreau | 5,253.66 mi (8,454.95 km) |
| Rio Grande City to Oyonnax | 5,557.58 mi (8,944.06 km) |
| Rio Grande City to Ozoir-la-Ferriere | 5,354.49 mi (8,617.22 km) |
| Rio Grande City to Pace | 5,186.86 mi (8,347.44 km) |
| Rio Grande City to Palaiseau | 5,338.59 mi (8,591.62 km) |
| Rio Grande City to Pamiers | 5,480.65 mi (8,820.25 km) |
| Rio Grande City to Panazol | 5,384.99 mi (8,666.31 km) |
| Rio Grande City to Pantin | 5,339.53 mi (8,593.14 km) |
| Rio Grande City to Paray-le-Monial | 5,486.52 mi (8,829.71 km) |
