| Apache Junction to Oerlinghausen | 5,522.77 mi (8,888.04 km) |
| Apache Junction to Oestrich-Winkel | 5,593.74 mi (9,002.26 km) |
| Apache Junction to Offenburg | 5,663.39 mi (9,114.35 km) |
| Apache Junction to Oftersheim | 5,642.49 mi (9,080.71 km) |
| Apache Junction to Ohrdruf | 5,641.50 mi (9,079.12 km) |
| Apache Junction to Ohringen | 5,680.54 mi (9,141.95 km) |
| Apache Junction to Olbernhau | 5,729.25 mi (9,220.33 km) |
| Apache Junction to Olching | 5,788.06 mi (9,314.98 km) |
| Apache Junction to Oldenburg | 5,453.68 mi (8,776.85 km) |
| Apache Junction to Oldenburg in Holstein | 5,478.38 mi (8,816.60 km) |
| Apache Junction to Olfen | 5,493.99 mi (8,841.72 km) |
| Apache Junction to Olpe | 5,540.86 mi (8,917.15 km) |
| Apache Junction to Olsberg | 5,545.98 mi (8,925.40 km) |
| Apache Junction to Oranienburg | 5,622.25 mi (9,048.13 km) |
| Apache Junction to Ortenberg | 5,611.13 mi (9,030.24 km) |
