| Exeter to Oerlinghausen | 532.52 mi (857.01 km) |
| Exeter to Oestrich-Winkel | 510.01 mi (820.78 km) |
| Exeter to Offenburg | 535.80 mi (862.29 km) |
| Exeter to Oftersheim | 544.82 mi (876.80 km) |
| Exeter to Ohrdruf | 622.09 mi (1,001.15 km) |
| Exeter to Ohringen | 587.71 mi (945.83 km) |
| Exeter to Olbernhau | 736.32 mi (1,184.99 km) |
| Exeter to Olching | 687.73 mi (1,106.79 km) |
| Exeter to Oldenburg | 526.61 mi (847.49 km) |
| Exeter to Oldenburg in Holstein | 652.84 mi (1,050.65 km) |
| Exeter to Olfen | 476.61 mi (767.03 km) |
| Exeter to Olpe | 495.25 mi (797.03 km) |
| Exeter to Olsberg | 522.99 mi (841.67 km) |
| Exeter to Oranienburg | 729.04 mi (1,173.27 km) |
| Exeter to Ortenberg | 552.42 mi (889.03 km) |
