| Two Rivers to Orthez | 4,107.24 mi (6,609.96 km) |
| Two Rivers to Orvault | 3,931.79 mi (6,327.61 km) |
| Two Rivers to Osny | 4,011.09 mi (6,455.22 km) |
| Two Rivers to Ostwald | 4,244.03 mi (6,830.10 km) |
| Two Rivers to Ouistreham | 3,913.82 mi (6,298.69 km) |
| Two Rivers to Oullins | 4,246.36 mi (6,833.85 km) |
| Two Rivers to Outreau | 3,933.61 mi (6,330.54 km) |
| Two Rivers to Oyonnax | 4,257.85 mi (6,852.35 km) |
| Two Rivers to Ozoir-la-Ferriere | 4,045.17 mi (6,510.07 km) |
| Two Rivers to Pace | 3,894.55 mi (6,267.67 km) |
| Two Rivers to Palaiseau | 4,030.88 mi (6,487.07 km) |
| Two Rivers to Pamiers | 4,220.61 mi (6,792.41 km) |
| Two Rivers to Panazol | 4,102.47 mi (6,602.28 km) |
| Two Rivers to Pantin | 4,030.09 mi (6,485.81 km) |
| Two Rivers to Paray-le-Monial | 4,190.15 mi (6,743.40 km) |
