| East Grand Rapids to Oerlinghausen | 4,131.80 mi (6,649.48 km) |
| East Grand Rapids to Oestrich-Winkel | 4,180.70 mi (6,728.19 km) |
| East Grand Rapids to Offenburg | 4,236.31 mi (6,817.69 km) |
| East Grand Rapids to Oftersheim | 4,226.40 mi (6,801.74 km) |
| East Grand Rapids to Ohrdruf | 4,249.41 mi (6,838.76 km) |
| East Grand Rapids to Ohringen | 4,267.23 mi (6,867.44 km) |
| East Grand Rapids to Olbernhau | 4,349.01 mi (6,999.05 km) |
| East Grand Rapids to Olching | 4,374.69 mi (7,040.39 km) |
| East Grand Rapids to Oldenburg | 4,072.62 mi (6,554.25 km) |
| East Grand Rapids to Oldenburg in Holstein | 4,122.76 mi (6,634.94 km) |
| East Grand Rapids to Olfen | 4,094.53 mi (6,589.51 km) |
| East Grand Rapids to Olpe | 4,136.64 mi (6,657.29 km) |
| East Grand Rapids to Olsberg | 4,148.04 mi (6,675.63 km) |
| East Grand Rapids to Oranienburg | 4,262.41 mi (6,859.68 km) |
| East Grand Rapids to Ortenberg | 4,206.35 mi (6,769.47 km) |
