| Highland to Oerlinghausen | 5,649.98 mi (9,092.76 km) |
| Highland to Oestrich-Winkel | 5,729.87 mi (9,221.34 km) |
| Highland to Offenburg | 5,805.35 mi (9,342.80 km) |
| Highland to Oftersheim | 5,779.55 mi (9,301.28 km) |
| Highland to Ohrdruf | 5,768.01 mi (9,282.71 km) |
| Highland to Ohringen | 5,815.99 mi (9,359.93 km) |
| Highland to Olbernhau | 5,849.86 mi (9,414.44 km) |
| Highland to Olching | 5,922.54 mi (9,531.41 km) |
| Highland to Oldenburg | 5,577.47 mi (8,976.07 km) |
| Highland to Oldenburg in Holstein | 5,591.70 mi (8,998.98 km) |
| Highland to Olfen | 5,625.11 mi (9,052.73 km) |
| Highland to Olpe | 5,673.58 mi (9,130.75 km) |
| Highland to Olsberg | 5,675.94 mi (9,134.54 km) |
| Highland to Oranienburg | 5,735.66 mi (9,230.66 km) |
| Highland to Ortenberg | 5,743.42 mi (9,243.15 km) |
