| Round Rock to Opovo | 5,929.48 mi (9,542.58 km) |
| Round Rock to Osecina | 5,928.80 mi (9,541.48 km) |
| Round Rock to Padinska Skela | 5,934.15 mi (9,550.10 km) |
| Round Rock to Pancevo | 5,945.42 mi (9,568.23 km) |
| Round Rock to Paracin | 6,019.77 mi (9,687.89 km) |
| Round Rock to Pecinci | 5,918.95 mi (9,525.64 km) |
| Round Rock to Petrovac na Mlavi | 5,996.65 mi (9,650.67 km) |
| Round Rock to Petrovaradin | 5,899.67 mi (9,494.60 km) |
| Round Rock to Pirot | 6,096.34 mi (9,811.12 km) |
| Round Rock to Plandiste | 5,947.20 mi (9,571.09 km) |
| Round Rock to Pozarevac | 5,977.15 mi (9,619.29 km) |
| Round Rock to Pozega | 5,968.53 mi (9,605.42 km) |
| Round Rock to Presevo | 6,099.61 mi (9,816.38 km) |
| Round Rock to Priboj | 5,960.63 mi (9,592.71 km) |
| Round Rock to Prijepolje | 5,967.21 mi (9,603.30 km) |
