| Williamstown to Opovo | 4,586.19 mi (7,380.76 km) |
| Williamstown to Osecina | 4,577.96 mi (7,367.52 km) |
| Williamstown to Padinska Skela | 4,590.18 mi (7,387.18 km) |
| Williamstown to Pancevo | 4,601.66 mi (7,405.65 km) |
| Williamstown to Paracin | 4,672.12 mi (7,519.05 km) |
| Williamstown to Pecinci | 4,572.97 mi (7,359.48 km) |
| Williamstown to Petrovac na Mlavi | 4,652.41 mi (7,487.33 km) |
| Williamstown to Petrovaradin | 4,555.71 mi (7,331.71 km) |
| Williamstown to Pirot | 4,748.36 mi (7,641.75 km) |
| Williamstown to Plandiste | 4,607.66 mi (7,415.31 km) |
| Williamstown to Pozarevac | 4,633.69 mi (7,457.21 km) |
| Williamstown to Pozega | 4,615.82 mi (7,428.45 km) |
| Williamstown to Presevo | 4,742.91 mi (7,632.98 km) |
| Williamstown to Priboj | 4,604.50 mi (7,410.22 km) |
| Williamstown to Prijepolje | 4,611.26 mi (7,421.10 km) |
