| Round Rock to Buhusi | 6,074.41 mi (9,775.83 km) |
| Round Rock to Bumbesti-Jiu | 6,031.68 mi (9,707.06 km) |
| Round Rock to Busteni | 6,097.17 mi (9,812.45 km) |
| Round Rock to Buzau | 6,154.31 mi (9,904.40 km) |
| Round Rock to Cajvana | 6,001.96 mi (9,659.22 km) |
| Round Rock to Calafat | 6,071.65 mi (9,771.37 km) |
| Round Rock to Calan | 5,992.42 mi (9,643.86 km) |
| Round Rock to Calarasi | 6,218.65 mi (10,007.94 km) |
| Round Rock to Campia Turzii | 5,985.40 mi (9,632.57 km) |
| Round Rock to Campina | 6,117.78 mi (9,845.61 km) |
| Round Rock to Campulung | 6,086.80 mi (9,795.76 km) |
| Round Rock to Campulung Moldovenesc | 5,996.26 mi (9,650.06 km) |
| Round Rock to Caracal | 6,116.53 mi (9,843.61 km) |
| Round Rock to Caransebes | 5,978.57 mi (9,621.57 km) |
| Round Rock to Carei | 5,883.51 mi (9,468.59 km) |
