| Pittsburg to Rosolini | 6,579.20 mi (10,588.20 km) |
| Pittsburg to Rossano | 6,466.93 mi (10,407.52 km) |
| Pittsburg to Rottofreno | 5,950.58 mi (9,576.53 km) |
| Pittsburg to Rovato | 5,935.07 mi (9,551.57 km) |
| Pittsburg to Roverbella | 5,973.67 mi (9,613.69 km) |
| Pittsburg to Rovereto | 5,946.88 mi (9,570.57 km) |
| Pittsburg to Rovigo | 6,012.96 mi (9,676.93 km) |
| Pittsburg to Rozzano | 5,920.96 mi (9,528.87 km) |
| Pittsburg to Rubano | 5,992.67 mi (9,644.27 km) |
| Pittsburg to Rubiera | 6,008.84 mi (9,670.30 km) |
| Pittsburg to Ruffano | 6,486.41 mi (10,438.87 km) |
| Pittsburg to Russi | 6,059.67 mi (9,752.10 km) |
| Pittsburg to Rutigliano | 6,393.67 mi (10,289.62 km) |
| Pittsburg to Ruvo di Puglia | 6,371.53 mi (10,253.98 km) |
| Pittsburg to Sabaudia | 6,263.65 mi (10,080.37 km) |
