| Petrovec to Ridgeland (Mississippi) | 5,720.10 mi (9,205.61 km) |
| Petrovec to Ridgewood (New Jersey) | 4,665.58 mi (7,508.52 km) |
| Petrovec to Rifle (Colorado) | 5,975.17 mi (9,616.10 km) |
| Petrovec to Rincon (Georgia) | 5,351.53 mi (8,612.45 km) |
| Petrovec to Ringwood (New Jersey) | 4,667.20 mi (7,511.13 km) |
| Petrovec to Río Grande (Puerto Rico) | 5,250.42 mi (8,449.73 km) |
| Petrovec to Rio Grande City (Texas) | 6,379.24 mi (10,266.39 km) |
| Petrovec to Rio Linda (California) | 6,401.75 mi (10,302.62 km) |
| Petrovec to Rio Rancho (New Mexico) | 6,180.19 mi (9,946.05 km) |
| Petrovec to Rio Rico (Arizona) | 6,536.19 mi (10,518.98 km) |
| Petrovec to Ripon (California) | 6,452.55 mi (10,384.37 km) |
| Petrovec to River Edge (New Jersey) | 4,664.77 mi (7,507.22 km) |
| Petrovec to River Falls (Wisconsin) | 5,197.78 mi (8,365.01 km) |
| Petrovec to River Forest (Illinois) | 5,168.70 mi (8,318.22 km) |
| Petrovec to River Grove (Illinois) | 5,168.00 mi (8,317.10 km) |
