| Duluth to Oschatz | 4,343.59 mi (6,990.33 km) |
| Duluth to Oschersleben | 4,251.15 mi (6,841.56 km) |
| Duluth to Osnabruck | 4,135.07 mi (6,654.76 km) |
| Duluth to Ostbevern | 4,138.90 mi (6,660.92 km) |
| Duluth to Osterburg | 4,233.11 mi (6,812.54 km) |
| Duluth to Ostercappeln | 4,138.22 mi (6,659.81 km) |
| Duluth to Osterhofen | 4,462.06 mi (7,180.99 km) |
| Duluth to Osterholz-Scharmbeck | 4,119.12 mi (6,629.09 km) |
| Duluth to Osternienburg | 4,285.64 mi (6,897.07 km) |
| Duluth to Osterode | 4,231.70 mi (6,810.27 km) |
| Duluth to Osterwieck | 4,236.16 mi (6,817.44 km) |
| Duluth to Ostfildern | 4,332.78 mi (6,972.94 km) |
| Duluth to Osthofen | 4,257.45 mi (6,851.70 km) |
| Duluth to Ostrhauderfehn | 4,085.05 mi (6,574.25 km) |
| Duluth to Ostringen | 4,292.34 mi (6,907.86 km) |
