| Rock Hill to Olivares | 4,063.32 mi (6,539.28 km) |
| Rock Hill to Olivenza | 3,982.77 mi (6,409.65 km) |
| Rock Hill to Olot | 4,356.32 mi (7,010.82 km) |
| Rock Hill to Onate | 4,103.37 mi (6,603.73 km) |
| Rock Hill to Onda | 4,287.03 mi (6,899.31 km) |
| Rock Hill to Onteniente | 4,302.13 mi (6,923.60 km) |
| Rock Hill to Orihuela | 4,306.17 mi (6,930.12 km) |
| Rock Hill to Osuna | 4,121.45 mi (6,632.83 km) |
| Rock Hill to Ourense | 3,859.32 mi (6,210.97 km) |
| Rock Hill to Oviedo | 3,933.37 mi (6,330.16 km) |
| Rock Hill to Paiporta | 4,294.40 mi (6,911.17 km) |
| Rock Hill to Pajara | 3,890.50 mi (6,261.15 km) |
| Rock Hill to Palafolls | 4,383.10 mi (7,053.92 km) |
| Rock Hill to Palafrugell | 4,395.37 mi (7,073.66 km) |
| Rock Hill to Palamos | 4,395.82 mi (7,074.38 km) |
