| Gelves to Oberkirch | 1,049.07 mi (1,688.32 km) |
| Gelves to Obernburg am Main | 1,145.47 mi (1,843.45 km) |
| Gelves to Obernkirchen | 1,265.36 mi (2,036.40 km) |
| Gelves to Oberschleissheim | 1,162.86 mi (1,871.45 km) |
| Gelves to Oberstdorf | 1,080.87 mi (1,739.50 km) |
| Gelves to Obertraubling | 1,213.39 mi (1,952.77 km) |
| Gelves to Obertshausen | 1,146.44 mi (1,845.01 km) |
| Gelves to Oberursel | 1,145.06 mi (1,842.80 km) |
| Gelves to Ochsenfurt | 1,167.40 mi (1,878.75 km) |
| Gelves to Ochsenhausen | 1,094.91 mi (1,762.09 km) |
| Gelves to Ochtrup | 1,210.51 mi (1,948.13 km) |
| Gelves to Odenthal | 1,144.90 mi (1,842.54 km) |
| Gelves to Oelde | 1,215.86 mi (1,956.74 km) |
| Gelves to Oelsnitz | 1,273.01 mi (2,048.72 km) |
| Gelves to Oer-Erkenschwick | 1,181.30 mi (1,901.12 km) |
