| DeKalb to Nuth | 4,232.65 mi (6,811.79 km) |
| DeKalb to Oegstgeest | 4,135.01 mi (6,654.66 km) |
| DeKalb to Oirschot | 4,189.90 mi (6,742.99 km) |
| DeKalb to Oisterwijk | 4,183.23 mi (6,732.25 km) |
| DeKalb to Oldebroek | 4,177.28 mi (6,722.68 km) |
| DeKalb to Oldenzaal | 4,219.14 mi (6,790.06 km) |
| DeKalb to Ommen | 4,193.36 mi (6,748.56 km) |
| DeKalb to Oosterend | 4,163.26 mi (6,700.11 km) |
| DeKalb to Oosterhout | 4,168.51 mi (6,708.57 km) |
| DeKalb to Oosterwolde | 4,171.72 mi (6,713.73 km) |
| DeKalb to Oostzaan | 4,141.26 mi (6,664.71 km) |
| DeKalb to Opmeer | 4,134.21 mi (6,653.36 km) |
| DeKalb to Oss | 4,188.15 mi (6,740.17 km) |
| DeKalb to Oud-Beijerland | 4,145.57 mi (6,671.65 km) |
| DeKalb to Oudenbosch | 4,158.22 mi (6,692.01 km) |
