| Mercer Island to Oschatz | 5,111.68 mi (8,226.46 km) |
| Mercer Island to Oschersleben | 5,028.87 mi (8,093.18 km) |
| Mercer Island to Osnabruck | 4,941.63 mi (7,952.79 km) |
| Mercer Island to Ostbevern | 4,951.10 mi (7,968.03 km) |
| Mercer Island to Osterburg | 4,994.47 mi (8,037.82 km) |
| Mercer Island to Ostercappeln | 4,941.95 mi (7,953.31 km) |
| Mercer Island to Osterhofen | 5,266.16 mi (8,475.07 km) |
| Mercer Island to Osterholz-Scharmbeck | 4,904.33 mi (7,892.75 km) |
| Mercer Island to Osternienburg | 5,058.38 mi (8,140.68 km) |
| Mercer Island to Osterode | 5,023.91 mi (8,085.20 km) |
| Mercer Island to Osterwieck | 5,020.14 mi (8,079.14 km) |
| Mercer Island to Ostfildern | 5,177.26 mi (8,332.00 km) |
| Mercer Island to Osthofen | 5,098.14 mi (8,204.66 km) |
| Mercer Island to Ostrhauderfehn | 4,883.48 mi (7,859.20 km) |
| Mercer Island to Ostringen | 5,135.83 mi (8,265.33 km) |
