| North Augusta to Oerlinghausen | 4,461.35 mi (7,179.85 km) |
| North Augusta to Oestrich-Winkel | 4,487.34 mi (7,221.68 km) |
| North Augusta to Offenburg | 4,526.55 mi (7,284.78 km) |
| North Augusta to Oftersheim | 4,528.58 mi (7,288.04 km) |
| North Augusta to Ohrdruf | 4,574.42 mi (7,361.82 km) |
| North Augusta to Ohringen | 4,571.06 mi (7,356.40 km) |
| North Augusta to Olbernhau | 4,681.92 mi (7,534.83 km) |
| North Augusta to Olching | 4,675.38 mi (7,524.30 km) |
| North Augusta to Oldenburg | 4,413.00 mi (7,102.04 km) |
| North Augusta to Oldenburg in Holstein | 4,483.34 mi (7,215.25 km) |
| North Augusta to Olfen | 4,417.18 mi (7,108.76 km) |
| North Augusta to Olpe | 4,453.41 mi (7,167.07 km) |
| North Augusta to Olsberg | 4,470.54 mi (7,194.63 km) |
| North Augusta to Oranienburg | 4,615.36 mi (7,427.70 km) |
| North Augusta to Ortenberg | 4,520.50 mi (7,275.05 km) |
