| Spring Lake to Oberkirch | 4,329.02 mi (6,966.89 km) |
| Spring Lake to Obernburg am Main | 4,337.29 mi (6,980.19 km) |
| Spring Lake to Obernkirchen | 4,271.70 mi (6,874.64 km) |
| Spring Lake to Oberschleissheim | 4,482.68 mi (7,214.17 km) |
| Spring Lake to Oberstdorf | 4,453.47 mi (7,167.17 km) |
| Spring Lake to Obertraubling | 4,486.11 mi (7,219.69 km) |
| Spring Lake to Obertshausen | 4,318.54 mi (6,950.02 km) |
| Spring Lake to Oberursel | 4,304.41 mi (6,927.28 km) |
| Spring Lake to Ochsenfurt | 4,380.40 mi (7,049.57 km) |
| Spring Lake to Ochsenhausen | 4,420.29 mi (7,113.76 km) |
| Spring Lake to Ochtrup | 4,197.33 mi (6,754.95 km) |
| Spring Lake to Odenthal | 4,223.55 mi (6,797.15 km) |
| Spring Lake to Oelde | 4,244.68 mi (6,831.16 km) |
| Spring Lake to Oelsnitz | 4,443.34 mi (7,150.86 km) |
| Spring Lake to Oer-Erkenschwick | 4,213.68 mi (6,781.26 km) |
