| Grenzach-Wyhlen to Orthez | 494.91 mi (796.49 km) |
| Grenzach-Wyhlen to Orvault | 434.16 mi (698.71 km) |
| Grenzach-Wyhlen to Osny | 277.42 mi (446.46 km) |
| Grenzach-Wyhlen to Ostwald | 69.10 mi (111.20 km) |
| Grenzach-Wyhlen to Ouistreham | 381.99 mi (614.75 km) |
| Grenzach-Wyhlen to Oullins | 185.45 mi (298.45 km) |
| Grenzach-Wyhlen to Outreau | 350.00 mi (563.27 km) |
| Grenzach-Wyhlen to Oyonnax | 130.22 mi (209.57 km) |
| Grenzach-Wyhlen to Ozoir-la-Ferriere | 244.55 mi (393.57 km) |
| Grenzach-Wyhlen to Pace | 439.04 mi (706.57 km) |
| Grenzach-Wyhlen to Palaiseau | 262.17 mi (421.93 km) |
| Grenzach-Wyhlen to Pamiers | 424.26 mi (682.78 km) |
| Grenzach-Wyhlen to Panazol | 323.20 mi (520.14 km) |
| Grenzach-Wyhlen to Pantin | 259.17 mi (417.09 km) |
| Grenzach-Wyhlen to Paray-le-Monial | 183.29 mi (294.98 km) |
