| Watertown to Oschatz | 3,914.87 mi (6,300.38 km) |
| Watertown to Oschersleben | 3,821.20 mi (6,149.63 km) |
| Watertown to Osnabruck | 3,692.80 mi (5,942.99 km) |
| Watertown to Ostbevern | 3,692.77 mi (5,942.94 km) |
| Watertown to Osterburg | 3,814.61 mi (6,139.02 km) |
| Watertown to Ostercappeln | 3,697.60 mi (5,950.72 km) |
| Watertown to Osterhofen | 4,004.65 mi (6,444.86 km) |
| Watertown to Osterholz-Scharmbeck | 3,691.56 mi (5,941.00 km) |
| Watertown to Osternienburg | 3,857.03 mi (6,207.28 km) |
| Watertown to Osterode | 3,793.52 mi (6,105.08 km) |
| Watertown to Osterwieck | 3,803.01 mi (6,120.35 km) |
| Watertown to Ostfildern | 3,856.09 mi (6,205.77 km) |
| Watertown to Osthofen | 3,786.85 mi (6,094.34 km) |
| Watertown to Ostrhauderfehn | 3,650.79 mi (5,875.38 km) |
| Watertown to Ostringen | 3,818.23 mi (6,144.85 km) |
