| Potomac to Sursee | 4,123.50 mi (6,636.14 km) |
| Potomac to Thalwil | 4,138.86 mi (6,660.85 km) |
| Potomac to Therwil | 4,089.57 mi (6,581.53 km) |
| Potomac to Thonex | 4,070.82 mi (6,551.35 km) |
| Potomac to Thun | 4,115.25 mi (6,622.85 km) |
| Potomac to Unterageri | 4,144.06 mi (6,669.21 km) |
| Potomac to Urdorf | 4,129.86 mi (6,646.37 km) |
| Potomac to Uster | 4,143.10 mi (6,667.67 km) |
| Potomac to Uzwil | 4,157.84 mi (6,691.40 km) |
| Potomac to Vernier | 4,066.73 mi (6,544.76 km) |
| Potomac to Versoix | 4,067.11 mi (6,545.38 km) |
| Potomac to Vevey | 4,090.94 mi (6,583.73 km) |
| Potomac to Veyrier | 4,071.31 mi (6,552.15 km) |
| Potomac to Villars-sur-Glane | 4,092.78 mi (6,586.69 km) |
| Potomac to Volketswil | 4,140.95 mi (6,664.22 km) |
