| Lacey to Oerlinghausen | 5,018.34 mi (8,076.24 km) |
| Lacey to Oestrich-Winkel | 5,117.54 mi (8,235.89 km) |
| Lacey to Offenburg | 5,205.43 mi (8,377.33 km) |
| Lacey to Oftersheim | 5,168.27 mi (8,317.53 km) |
| Lacey to Ohrdruf | 5,132.02 mi (8,259.18 km) |
| Lacey to Ohringen | 5,199.98 mi (8,368.55 km) |
| Lacey to Olbernhau | 5,198.61 mi (8,366.35 km) |
| Lacey to Olching | 5,301.74 mi (8,532.32 km) |
| Lacey to Oldenburg | 4,939.57 mi (7,949.47 km) |
| Lacey to Oldenburg in Holstein | 4,929.88 mi (7,933.88 km) |
| Lacey to Olfen | 5,003.25 mi (8,051.96 km) |
| Lacey to Olpe | 5,054.40 mi (8,134.28 km) |
| Lacey to Olsberg | 5,050.13 mi (8,127.40 km) |
| Lacey to Oranienburg | 5,070.92 mi (8,160.86 km) |
| Lacey to Ortenberg | 5,121.58 mi (8,242.38 km) |
