| Exeter to Oberkirch | 540.58 mi (869.97 km) |
| Exeter to Obernburg am Main | 561.95 mi (904.37 km) |
| Exeter to Obernkirchen | 553.48 mi (890.74 km) |
| Exeter to Oberschleissheim | 697.35 mi (1,122.28 km) |
| Exeter to Oberstdorf | 664.42 mi (1,069.28 km) |
| Exeter to Obertraubling | 708.32 mi (1,139.94 km) |
| Exeter to Obertshausen | 545.67 mi (878.17 km) |
| Exeter to Oberursel | 532.97 mi (857.73 km) |
| Exeter to Ochsenfurt | 605.06 mi (973.75 km) |
| Exeter to Ochsenhausen | 632.00 mi (1,017.10 km) |
| Exeter to Ochtrup | 472.04 mi (759.67 km) |
| Exeter to Odenthal | 464.09 mi (746.88 km) |
| Exeter to Oelde | 509.87 mi (820.55 km) |
| Exeter to Oelsnitz | 687.71 mi (1,106.77 km) |
| Exeter to Oer-Erkenschwick | 470.61 mi (757.37 km) |
