| Falmouth to Oberkirch | 601.74 mi (968.41 km) |
| Falmouth to Obernburg am Main | 630.64 mi (1,014.91 km) |
| Falmouth to Obernkirchen | 630.19 mi (1,014.19 km) |
| Falmouth to Oberschleissheim | 760.82 mi (1,224.42 km) |
| Falmouth to Oberstdorf | 722.57 mi (1,162.87 km) |
| Falmouth to Obertraubling | 775.11 mi (1,247.43 km) |
| Falmouth to Obertshausen | 615.22 mi (990.10 km) |
| Falmouth to Oberursel | 603.03 mi (970.48 km) |
| Falmouth to Ochsenfurt | 673.38 mi (1,083.70 km) |
| Falmouth to Ochsenhausen | 692.97 mi (1,115.23 km) |
| Falmouth to Ochtrup | 548.97 mi (883.48 km) |
| Falmouth to Odenthal | 537.40 mi (864.85 km) |
| Falmouth to Oelde | 585.71 mi (942.61 km) |
| Falmouth to Oelsnitz | 759.52 mi (1,222.33 km) |
| Falmouth to Oer-Erkenschwick | 546.04 mi (878.77 km) |
