| Geldern to Orthez | 645.73 mi (1,039.21 km) |
| Geldern to Orvault | 462.27 mi (743.95 km) |
| Geldern to Osny | 253.76 mi (408.38 km) |
| Geldern to Ostwald | 214.06 mi (344.50 km) |
| Geldern to Ouistreham | 328.80 mi (529.15 km) |
| Geldern to Oullins | 407.04 mi (655.07 km) |
| Geldern to Outreau | 213.09 mi (342.94 km) |
| Geldern to Oyonnax | 364.97 mi (587.37 km) |
| Geldern to Ozoir-la-Ferriere | 249.01 mi (400.74 km) |
| Geldern to Pace | 429.50 mi (691.21 km) |
| Geldern to Palaiseau | 265.15 mi (426.72 km) |
| Geldern to Pamiers | 620.98 mi (999.37 km) |
| Geldern to Panazol | 454.24 mi (731.02 km) |
| Geldern to Pantin | 251.05 mi (404.02 km) |
| Geldern to Paray-le-Monial | 364.25 mi (586.21 km) |
