| Bardstown to Oerlinghausen | 4,379.60 mi (7,048.29 km) |
| Bardstown to Oestrich-Winkel | 4,418.77 mi (7,111.32 km) |
| Bardstown to Offenburg | 4,467.40 mi (7,189.59 km) |
| Bardstown to Oftersheim | 4,462.69 mi (7,182.01 km) |
| Bardstown to Ohrdruf | 4,495.68 mi (7,235.09 km) |
| Bardstown to Ohringen | 4,504.39 mi (7,249.11 km) |
| Bardstown to Olbernhau | 4,599.00 mi (7,401.38 km) |
| Bardstown to Olching | 4,610.87 mi (7,420.48 km) |
| Bardstown to Oldenburg | 4,324.85 mi (6,960.18 km) |
| Bardstown to Oldenburg in Holstein | 4,383.72 mi (7,054.91 km) |
| Bardstown to Olfen | 4,339.23 mi (6,983.31 km) |
| Bardstown to Olpe | 4,378.95 mi (7,047.24 km) |
| Bardstown to Olsberg | 4,392.87 mi (7,069.63 km) |
| Bardstown to Oranienburg | 4,520.61 mi (7,275.22 km) |
| Bardstown to Ortenberg | 4,447.78 mi (7,158.01 km) |
