| Diamond Bar to Pyrzyce | 5,781.82 mi (9,304.94 km) |
| Diamond Bar to Pyskowice | 6,029.42 mi (9,703.42 km) |
| Diamond Bar to Raciborz | 6,036.67 mi (9,715.08 km) |
| Diamond Bar to Radom | 6,032.78 mi (9,708.82 km) |
| Diamond Bar to Radomsko | 6,011.24 mi (9,674.16 km) |
| Diamond Bar to Radzionkow Nowy | 6,036.12 mi (9,714.20 km) |
| Diamond Bar to Radzymin | 5,974.70 mi (9,615.35 km) |
| Diamond Bar to Radzyn Podlaski | 6,044.48 mi (9,727.65 km) |
| Diamond Bar to Rawa Mazowiecka | 5,990.55 mi (9,640.86 km) |
| Diamond Bar to Rawicz | 5,916.03 mi (9,520.93 km) |
| Diamond Bar to Reda | 5,783.60 mi (9,307.80 km) |
| Diamond Bar to Rogozno | 5,856.05 mi (9,424.40 km) |
| Diamond Bar to Ropczyce | 6,122.28 mi (9,852.85 km) |
| Diamond Bar to Ruda Slaska | 6,042.22 mi (9,724.02 km) |
| Diamond Bar to Rumia | 5,787.57 mi (9,314.20 km) |
