| Rock Hill to Oerlinghausen | 4,353.52 mi (7,006.32 km) |
| Rock Hill to Oestrich-Winkel | 4,380.70 mi (7,050.05 km) |
| Rock Hill to Offenburg | 4,420.85 mi (7,114.67 km) |
| Rock Hill to Oftersheim | 4,422.21 mi (7,116.85 km) |
| Rock Hill to Ohrdruf | 4,466.89 mi (7,188.77 km) |
| Rock Hill to Ohringen | 4,464.63 mi (7,185.12 km) |
| Rock Hill to Olbernhau | 4,574.08 mi (7,361.27 km) |
| Rock Hill to Olching | 4,569.21 mi (7,353.43 km) |
| Rock Hill to Oldenburg | 4,304.64 mi (6,927.65 km) |
| Rock Hill to Oldenburg in Holstein | 4,374.17 mi (7,039.55 km) |
| Rock Hill to Olfen | 4,309.66 mi (6,935.72 km) |
| Rock Hill to Olpe | 4,346.21 mi (6,994.55 km) |
| Rock Hill to Olsberg | 4,363.06 mi (7,021.67 km) |
| Rock Hill to Oranienburg | 4,506.57 mi (7,252.62 km) |
| Rock Hill to Ortenberg | 4,413.48 mi (7,102.82 km) |
