| Comstock Park to Orbetello | 4,607.03 mi (7,414.30 km) |
| Comstock Park to Oria | 4,948.39 mi (7,963.66 km) |
| Comstock Park to Oristano | 4,605.95 mi (7,412.56 km) |
| Comstock Park to Orta Nova | 4,834.96 mi (7,781.11 km) |
| Comstock Park to Orte | 4,653.24 mi (7,488.66 km) |
| Comstock Park to Ortona | 4,738.01 mi (7,625.09 km) |
| Comstock Park to Orvieto | 4,631.18 mi (7,453.17 km) |
| Comstock Park to Orzinuovi | 4,433.18 mi (7,134.52 km) |
| Comstock Park to Osimo | 4,652.70 mi (7,487.80 km) |
| Comstock Park to Ospitaletto | 4,432.34 mi (7,133.16 km) |
| Comstock Park to Ostuni | 4,935.76 mi (7,943.34 km) |
| Comstock Park to Ottaviano | 4,807.19 mi (7,736.42 km) |
| Comstock Park to Ovada | 4,413.11 mi (7,102.21 km) |
| Comstock Park to Ozieri | 4,594.66 mi (7,394.40 km) |
| Comstock Park to Paceco | 4,855.00 mi (7,813.37 km) |
