| Battle Ground to Oerlinghausen | 5,089.33 mi (8,190.48 km) |
| Battle Ground to Oestrich-Winkel | 5,187.15 mi (8,347.90 km) |
| Battle Ground to Offenburg | 5,274.17 mi (8,487.95 km) |
| Battle Ground to Oftersheim | 5,237.85 mi (8,429.51 km) |
| Battle Ground to Ohrdruf | 5,203.47 mi (8,374.18 km) |
| Battle Ground to Ohringen | 5,269.97 mi (8,481.19 km) |
| Battle Ground to Olbernhau | 5,271.31 mi (8,483.35 km) |
| Battle Ground to Olching | 5,372.22 mi (8,645.75 km) |
| Battle Ground to Oldenburg | 5,010.95 mi (8,064.34 km) |
| Battle Ground to Oldenburg in Holstein | 5,003.10 mi (8,051.70 km) |
| Battle Ground to Olfen | 5,073.46 mi (8,164.95 km) |
| Battle Ground to Olpe | 5,124.46 mi (8,247.03 km) |
| Battle Ground to Olsberg | 5,120.70 mi (8,240.97 km) |
| Battle Ground to Oranienburg | 5,144.50 mi (8,279.28 km) |
| Battle Ground to Ortenberg | 5,191.93 mi (8,355.60 km) |
