| Frederick to Prokuplje | 4,815.29 mi (7,749.45 km) |
| Frederick to Raca | 4,750.85 mi (7,645.76 km) |
| Frederick to Raska | 4,773.11 mi (7,681.57 km) |
| Frederick to Razanj | 4,796.45 mi (7,719.14 km) |
| Frederick to Rekovac | 4,771.49 mi (7,678.98 km) |
| Frederick to Ruma | 4,674.24 mi (7,522.46 km) |
| Frederick to Sabac | 4,678.04 mi (7,528.57 km) |
| Frederick to Secanj | 4,697.78 mi (7,560.34 km) |
| Frederick to Senta | 4,648.59 mi (7,481.18 km) |
| Frederick to Sid | 4,645.43 mi (7,476.10 km) |
| Frederick to Sjenica | 4,748.71 mi (7,642.32 km) |
| Frederick to Smederevo | 4,731.67 mi (7,614.89 km) |
| Frederick to Smederevska Palanka | 4,744.63 mi (7,635.74 km) |
| Frederick to Sokobanja | 4,810.01 mi (7,740.96 km) |
| Frederick to Sombor | 4,615.27 mi (7,427.56 km) |
