| DeKalb to Octeville | 3,990.99 mi (6,422.88 km) |
| DeKalb to Oignies | 4,140.98 mi (6,664.26 km) |
| DeKalb to Oissel | 4,107.59 mi (6,610.52 km) |
| DeKalb to Olivet | 4,191.68 mi (6,745.86 km) |
| DeKalb to Ollioules | 4,531.07 mi (7,292.06 km) |
| DeKalb to Olonne-sur-Mer | 4,090.44 mi (6,582.93 km) |
| DeKalb to Oloron-Sainte-Marie | 4,259.03 mi (6,854.25 km) |
| DeKalb to Onet Village | 4,349.26 mi (6,999.47 km) |
| DeKalb to Onnaing | 4,166.69 mi (6,705.64 km) |
| DeKalb to Orange | 4,448.99 mi (7,159.96 km) |
| DeKalb to Orchies | 4,150.25 mi (6,679.17 km) |
| DeKalb to Orleans | 4,190.62 mi (6,744.16 km) |
| DeKalb to Orly | 4,179.37 mi (6,726.04 km) |
| DeKalb to Ormesson-sur-Marne | 4,183.52 mi (6,732.73 km) |
| DeKalb to Orsay | 4,173.00 mi (6,715.80 km) |
