| Giessen to Orthez | 660.65 mi (1,063.22 km) |
| Giessen to Orvault | 519.50 mi (836.06 km) |
| Giessen to Osny | 312.53 mi (502.97 km) |
| Giessen to Ostwald | 146.76 mi (236.19 km) |
| Giessen to Ouistreham | 406.77 mi (654.64 km) |
| Giessen to Oullins | 380.37 mi (612.15 km) |
| Giessen to Outreau | 309.89 mi (498.72 km) |
| Giessen to Oyonnax | 329.25 mi (529.88 km) |
| Giessen to Ozoir-la-Ferriere | 295.17 mi (475.03 km) |
| Giessen to Pace | 498.49 mi (802.24 km) |
| Giessen to Palaiseau | 314.80 mi (506.61 km) |
| Giessen to Pamiers | 613.65 mi (987.57 km) |
| Giessen to Panazol | 470.95 mi (757.92 km) |
| Giessen to Pantin | 302.93 mi (487.51 km) |
| Giessen to Paray-le-Monial | 353.16 mi (568.36 km) |
