| Chicopee to Orbetello | 4,089.18 mi (6,580.89 km) |
| Chicopee to Oria | 4,441.06 mi (7,147.20 km) |
| Chicopee to Oristano | 4,062.54 mi (6,538.02 km) |
| Chicopee to Orta Nova | 4,325.79 mi (6,961.68 km) |
| Chicopee to Orte | 4,139.61 mi (6,662.07 km) |
| Chicopee to Ortona | 4,230.85 mi (6,808.89 km) |
| Chicopee to Orvieto | 4,118.36 mi (6,627.87 km) |
| Chicopee to Orzinuovi | 3,932.18 mi (6,328.24 km) |
| Chicopee to Osimo | 4,150.07 mi (6,678.89 km) |
| Chicopee to Ospitaletto | 3,932.98 mi (6,329.52 km) |
| Chicopee to Ostuni | 4,429.75 mi (7,129.00 km) |
| Chicopee to Ottaviano | 4,290.31 mi (6,904.59 km) |
| Chicopee to Ovada | 3,902.20 mi (6,279.98 km) |
| Chicopee to Ozieri | 4,056.96 mi (6,529.05 km) |
| Chicopee to Paceco | 4,313.28 mi (6,941.55 km) |
