| Harrisonburg to Octeville | 3,741.02 mi (6,020.59 km) |
| Harrisonburg to Oignies | 3,912.99 mi (6,297.35 km) |
| Harrisonburg to Oissel | 3,862.91 mi (6,216.75 km) |
| Harrisonburg to Olivet | 3,935.50 mi (6,333.58 km) |
| Harrisonburg to Ollioules | 4,246.99 mi (6,834.87 km) |
| Harrisonburg to Olonne-sur-Mer | 3,810.25 mi (6,132.00 km) |
| Harrisonburg to Oloron-Sainte-Marie | 3,952.53 mi (6,360.98 km) |
| Harrisonburg to Onet Village | 4,063.91 mi (6,540.24 km) |
| Harrisonburg to Onnaing | 3,939.76 mi (6,340.44 km) |
| Harrisonburg to Orange | 4,169.52 mi (6,710.19 km) |
| Harrisonburg to Orchies | 3,923.07 mi (6,313.58 km) |
| Harrisonburg to Orleans | 3,934.83 mi (6,332.50 km) |
| Harrisonburg to Orly | 3,933.01 mi (6,329.57 km) |
| Harrisonburg to Ormesson-sur-Marne | 3,938.02 mi (6,337.64 km) |
| Harrisonburg to Orsay | 3,925.57 mi (6,317.59 km) |
