| Pittsburg to Racale | 6,483.37 mi (10,433.98 km) |
| Pittsburg to Racconigi | 5,911.85 mi (9,514.20 km) |
| Pittsburg to Raffadali | 6,502.48 mi (10,464.72 km) |
| Pittsburg to Ragusa | 6,566.34 mi (10,567.50 km) |
| Pittsburg to Ramacca | 6,538.84 mi (10,523.24 km) |
| Pittsburg to Randazzo | 6,517.21 mi (10,488.43 km) |
| Pittsburg to Rapallo | 5,980.76 mi (9,625.11 km) |
| Pittsburg to Ravanusa | 6,523.58 mi (10,498.69 km) |
| Pittsburg to Ravenna | 6,062.12 mi (9,756.05 km) |
| Pittsburg to Recanati | 6,157.86 mi (9,910.12 km) |
| Pittsburg to Recco | 5,977.39 mi (9,619.68 km) |
| Pittsburg to Reggello | 6,084.85 mi (9,792.62 km) |
| Pittsburg to Reggio di Calabria | 6,524.20 mi (10,499.68 km) |
| Pittsburg to Reggio Emilia | 6,001.75 mi (9,658.89 km) |
| Pittsburg to Reggiolo | 5,994.78 mi (9,647.67 km) |
