| Round Lake to Oschatz | 4,433.22 mi (7,134.58 km) |
| Round Lake to Oschersleben | 4,339.69 mi (6,984.06 km) |
| Round Lake to Osnabruck | 4,216.82 mi (6,786.31 km) |
| Round Lake to Ostbevern | 4,218.71 mi (6,789.35 km) |
| Round Lake to Osterburg | 4,327.23 mi (6,964.00 km) |
| Round Lake to Ostercappeln | 4,220.81 mi (6,792.74 km) |
| Round Lake to Osterhofen | 4,537.68 mi (7,302.69 km) |
| Round Lake to Osterholz-Scharmbeck | 4,208.15 mi (6,772.36 km) |
| Round Lake to Osternienburg | 4,375.02 mi (7,040.92 km) |
| Round Lake to Osterode | 4,316.02 mi (6,945.96 km) |
| Round Lake to Osterwieck | 4,323.02 mi (6,957.23 km) |
| Round Lake to Ostfildern | 4,397.69 mi (7,077.40 km) |
| Round Lake to Osthofen | 4,325.22 mi (6,960.77 km) |
| Round Lake to Ostrhauderfehn | 4,170.55 mi (6,711.85 km) |
| Round Lake to Ostringen | 4,358.43 mi (7,014.22 km) |
