| Cornelius to Orbetello | 4,719.52 mi (7,595.34 km) |
| Cornelius to Oria | 5,073.50 mi (8,165.01 km) |
| Cornelius to Oristano | 4,683.71 mi (7,537.70 km) |
| Cornelius to Orta Nova | 4,958.00 mi (7,979.14 km) |
| Cornelius to Orte | 4,771.07 mi (7,678.29 km) |
| Cornelius to Ortona | 4,863.83 mi (7,827.59 km) |
| Cornelius to Orvieto | 4,750.10 mi (7,644.55 km) |
| Cornelius to Orzinuovi | 4,567.39 mi (7,350.51 km) |
| Cornelius to Osimo | 4,784.39 mi (7,699.73 km) |
| Cornelius to Ospitaletto | 4,568.55 mi (7,352.37 km) |
| Cornelius to Ostuni | 5,062.57 mi (8,147.42 km) |
| Cornelius to Ottaviano | 4,920.40 mi (7,918.61 km) |
| Cornelius to Ovada | 4,535.03 mi (7,298.43 km) |
| Cornelius to Ozieri | 4,680.51 mi (7,532.55 km) |
| Cornelius to Paceco | 4,934.25 mi (7,940.91 km) |
