| Flagstaff to Oschatz | 5,587.74 mi (8,992.61 km) |
| Flagstaff to Oschersleben | 5,497.02 mi (8,846.60 km) |
| Flagstaff to Osnabruck | 5,387.48 mi (8,670.31 km) |
| Flagstaff to Ostbevern | 5,392.79 mi (8,678.86 km) |
| Flagstaff to Osterburg | 5,474.17 mi (8,809.83 km) |
| Flagstaff to Ostercappeln | 5,389.92 mi (8,674.25 km) |
| Flagstaff to Osterhofen | 5,716.91 mi (9,200.48 km) |
| Flagstaff to Osterholz-Scharmbeck | 5,365.68 mi (8,635.23 km) |
| Flagstaff to Osternienburg | 5,530.49 mi (8,900.46 km) |
| Flagstaff to Osterode | 5,481.31 mi (8,821.31 km) |
| Flagstaff to Osterwieck | 5,483.60 mi (8,825.00 km) |
| Flagstaff to Ostfildern | 5,596.05 mi (9,005.97 km) |
| Flagstaff to Osthofen | 5,519.25 mi (8,882.37 km) |
| Flagstaff to Ostrhauderfehn | 5,334.83 mi (8,585.57 km) |
| Flagstaff to Ostringen | 5,555.06 mi (8,940.01 km) |
