| Harrisonburg to Oerlinghausen | 4,098.11 mi (6,595.28 km) |
| Harrisonburg to Oestrich-Winkel | 4,128.82 mi (6,644.69 km) |
| Harrisonburg to Offenburg | 4,171.72 mi (6,713.74 km) |
| Harrisonburg to Oftersheim | 4,171.11 mi (6,712.76 km) |
| Harrisonburg to Ohrdruf | 4,212.33 mi (6,779.09 km) |
| Harrisonburg to Ohringen | 4,213.34 mi (6,780.72 km) |
| Harrisonburg to Olbernhau | 4,318.52 mi (6,949.99 km) |
| Harrisonburg to Olching | 4,318.61 mi (6,950.13 km) |
| Harrisonburg to Oldenburg | 4,047.63 mi (6,514.02 km) |
| Harrisonburg to Oldenburg in Holstein | 4,114.60 mi (6,621.81 km) |
| Harrisonburg to Olfen | 4,055.19 mi (6,526.20 km) |
| Harrisonburg to Olpe | 4,092.69 mi (6,586.55 km) |
| Harrisonburg to Olsberg | 4,108.71 mi (6,612.32 km) |
| Harrisonburg to Oranienburg | 4,248.15 mi (6,836.74 km) |
| Harrisonburg to Ortenberg | 4,160.48 mi (6,695.65 km) |
