| Raleigh to Oerlinghausen | 4,215.86 mi (6,784.77 km) |
| Raleigh to Oestrich-Winkel | 4,241.07 mi (6,825.34 km) |
| Raleigh to Offenburg | 4,279.94 mi (6,887.90 km) |
| Raleigh to Oftersheim | 4,282.18 mi (6,891.51 km) |
| Raleigh to Ohrdruf | 4,328.69 mi (6,966.35 km) |
| Raleigh to Ohringen | 4,324.68 mi (6,959.91 km) |
| Raleigh to Olbernhau | 4,436.44 mi (7,139.76 km) |
| Raleigh to Olching | 4,428.91 mi (7,127.64 km) |
| Raleigh to Oldenburg | 4,168.05 mi (6,707.82 km) |
| Raleigh to Oldenburg in Holstein | 4,239.50 mi (6,822.82 km) |
| Raleigh to Olfen | 4,171.44 mi (6,713.29 km) |
| Raleigh to Olpe | 4,207.45 mi (6,771.23 km) |
| Raleigh to Olsberg | 4,224.76 mi (6,799.10 km) |
| Raleigh to Oranienburg | 4,370.92 mi (7,034.32 km) |
| Raleigh to Ortenberg | 4,274.42 mi (6,879.02 km) |
