| Pacific Grove to Popovo | 6,560.69 mi (10,558.40 km) |
| Pacific Grove to Provadia | 6,596.38 mi (10,615.85 km) |
| Pacific Grove to Radnevo | 6,619.79 mi (10,653.52 km) |
| Pacific Grove to Radomir | 6,536.42 mi (10,519.36 km) |
| Pacific Grove to Rakitovo | 6,597.73 mi (10,618.02 km) |
| Pacific Grove to Rakovski | 6,599.00 mi (10,620.07 km) |
| Pacific Grove to Razgrad | 6,555.23 mi (10,549.62 km) |
| Pacific Grove to Razlog | 6,589.49 mi (10,604.76 km) |
| Pacific Grove to Ruse | 6,525.16 mi (10,501.22 km) |
| Pacific Grove to Samokov | 6,563.68 mi (10,563.22 km) |
| Pacific Grove to Sandanski | 6,604.47 mi (10,628.87 km) |
| Pacific Grove to Sevlievo | 6,556.55 mi (10,551.74 km) |
| Pacific Grove to Shumen | 6,579.68 mi (10,588.97 km) |
| Pacific Grove to Silistra | 6,534.03 mi (10,515.50 km) |
| Pacific Grove to Sliven | 6,604.54 mi (10,628.97 km) |
