| Champlin to Orbetello | 4,813.82 mi (7,747.10 km) |
| Champlin to Oria | 5,143.22 mi (8,277.21 km) |
| Champlin to Oristano | 4,833.66 mi (7,779.03 km) |
| Champlin to Orta Nova | 5,032.43 mi (8,098.91 km) |
| Champlin to Orte | 4,856.15 mi (7,815.22 km) |
| Champlin to Ortona | 4,934.89 mi (7,941.94 km) |
| Champlin to Orvieto | 4,833.69 mi (7,779.07 km) |
| Champlin to Orzinuovi | 4,628.55 mi (7,448.93 km) |
| Champlin to Osimo | 4,846.91 mi (7,800.34 km) |
| Champlin to Ospitaletto | 4,626.45 mi (7,445.55 km) |
| Champlin to Ostuni | 5,129.66 mi (8,255.39 km) |
| Champlin to Ottaviano | 5,011.14 mi (8,064.65 km) |
| Champlin to Ovada | 4,616.46 mi (7,429.47 km) |
| Champlin to Ozieri | 4,817.74 mi (7,753.40 km) |
| Champlin to Paceco | 5,079.01 mi (8,173.87 km) |
