| Holyoke to Octeville | 3,322.06 mi (5,346.34 km) |
| Holyoke to Oignies | 3,493.86 mi (5,622.82 km) |
| Holyoke to Oissel | 3,443.86 mi (5,542.36 km) |
| Holyoke to Olivet | 3,516.83 mi (5,659.79 km) |
| Holyoke to Ollioules | 3,830.50 mi (6,164.59 km) |
| Holyoke to Olonne-sur-Mer | 3,393.01 mi (5,460.52 km) |
| Holyoke to Oloron-Sainte-Marie | 3,538.43 mi (5,694.55 km) |
| Holyoke to Onet Village | 3,647.38 mi (5,869.89 km) |
| Holyoke to Onnaing | 3,520.64 mi (5,665.92 km) |
| Holyoke to Orange | 3,752.52 mi (6,039.10 km) |
| Holyoke to Orchies | 3,503.95 mi (5,639.06 km) |
| Holyoke to Orleans | 3,516.14 mi (5,658.69 km) |
| Holyoke to Orly | 3,514.02 mi (5,655.26 km) |
| Holyoke to Ormesson-sur-Marne | 3,519.01 mi (5,663.30 km) |
| Holyoke to Orsay | 3,506.60 mi (5,643.33 km) |
