| Gelsenkirchen to Orthez | 664.50 mi (1,069.41 km) |
| Gelsenkirchen to Orvault | 489.24 mi (787.35 km) |
| Gelsenkirchen to Osny | 279.69 mi (450.12 km) |
| Gelsenkirchen to Ostwald | 206.70 mi (332.66 km) |
| Gelsenkirchen to Ouistreham | 358.85 mi (577.52 km) |
| Gelsenkirchen to Oullins | 414.25 mi (666.66 km) |
| Gelsenkirchen to Outreau | 245.29 mi (394.76 km) |
| Gelsenkirchen to Oyonnax | 369.33 mi (594.38 km) |
| Gelsenkirchen to Ozoir-la-Ferriere | 272.13 mi (437.95 km) |
| Gelsenkirchen to Pace | 458.44 mi (737.79 km) |
| Gelsenkirchen to Palaiseau | 289.27 mi (465.53 km) |
| Gelsenkirchen to Pamiers | 634.36 mi (1,020.91 km) |
| Gelsenkirchen to Panazol | 472.61 mi (760.59 km) |
| Gelsenkirchen to Pantin | 275.47 mi (443.33 km) |
| Gelsenkirchen to Paray-le-Monial | 375.11 mi (603.67 km) |
