| Roswell to Opwijk | 4,378.76 mi (7,046.94 km) |
| Roswell to Ostend | 4,321.18 mi (6,954.27 km) |
| Roswell to Oud-Heverlee | 4,401.75 mi (7,083.93 km) |
| Roswell to Oud-Turnhout | 4,401.69 mi (7,083.84 km) |
| Roswell to Oudenaarde | 4,358.20 mi (7,013.84 km) |
| Roswell to Oudenburg | 4,325.50 mi (6,961.21 km) |
| Roswell to Oupeye | 4,444.42 mi (7,152.61 km) |
| Roswell to Overijse | 4,397.68 mi (7,077.39 km) |
| Roswell to Overpelt | 4,421.65 mi (7,115.95 km) |
| Roswell to Paal | 4,416.63 mi (7,107.88 km) |
| Roswell to Peer | 4,425.37 mi (7,121.94 km) |
| Roswell to Pepinster | 4,455.28 mi (7,170.07 km) |
| Roswell to Peruwelz | 4,366.08 mi (7,026.52 km) |
| Roswell to Perwez | 4,413.28 mi (7,102.49 km) |
| Roswell to Philippeville | 4,413.81 mi (7,103.33 km) |
