| Potomac to Tallinn | 4,324.71 mi (6,959.94 km) |
| Potomac to Tartu | 4,422.95 mi (7,118.05 km) |
| Potomac to Valga | 4,424.46 mi (7,120.48 km) |
| Potomac to Viljandi | 4,389.47 mi (7,064.17 km) |
| Potomac to Voru | 4,451.60 mi (7,164.15 km) |
| Potomac to Aanekoski | 4,241.19 mi (6,825.53 km) |
| Potomac to Alajarvi | 4,175.13 mi (6,719.23 km) |
| Potomac to Alavus | 4,183.16 mi (6,732.15 km) |
| Potomac to Ekenas | 4,266.45 mi (6,866.19 km) |
| Potomac to Espoo | 4,294.78 mi (6,911.77 km) |
| Potomac to Eura | 4,187.45 mi (6,739.05 km) |
| Potomac to Eurajoki | 4,174.99 mi (6,719.00 km) |
| Potomac to Forssa | 4,243.25 mi (6,828.86 km) |
| Potomac to Hakkila | 4,300.64 mi (6,921.21 km) |
| Potomac to Halikko | 4,241.40 mi (6,825.87 km) |
