| Layton to Oberkirch | 5,248.96 mi (8,447.39 km) |
| Layton to Obernburg am Main | 5,213.92 mi (8,390.99 km) |
| Layton to Obernkirchen | 5,088.74 mi (8,189.54 km) |
| Layton to Oberschleissheim | 5,368.86 mi (8,640.34 km) |
| Layton to Oberstdorf | 5,374.40 mi (8,649.27 km) |
| Layton to Obertraubling | 5,348.49 mi (8,607.57 km) |
| Layton to Obertshausen | 5,193.11 mi (8,357.51 km) |
| Layton to Oberursel | 5,178.50 mi (8,333.98 km) |
| Layton to Ochsenfurt | 5,251.13 mi (8,450.87 km) |
| Layton to Ochsenhausen | 5,329.72 mi (8,577.36 km) |
| Layton to Ochtrup | 5,036.29 mi (8,105.12 km) |
| Layton to Odenthal | 5,092.93 mi (8,196.28 km) |
| Layton to Oelde | 5,082.97 mi (8,180.25 km) |
| Layton to Oelsnitz | 5,271.53 mi (8,483.70 km) |
| Layton to Oer-Erkenschwick | 5,066.32 mi (8,153.45 km) |
